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Finding the Third Proportional to 996,486 and 1,543,689

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Solution

The third proportional to 996,486 and 1,543,689 is: 2,391,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,486 : 1,543,689 = 1,543,689 : x
  2. Step 2: Convert to fraction form
    996,486/1,543,689 = 1,543,689/x
  3. Step 3: Cross multiply
    996,486x = 1,543,689 × 1,543,689
  4. Step 4: Simplify right side
    996,486x = 2,382,975,728,721
  5. Step 5: Solve for x
    x = 2,382,975,728,721/996,486
  6. Step 6: Final answer
    x = 2,391,379.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.